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An elastic network interface is a logical networking component in a VPC that represents a virtual network card. It can include the following attributes: A primary private IPv4 address from the IPv4 address range of your VPC. A primary IPv6 address from the IPv6 address range of your VPC.
Jul 31, 2020 · Learn what ENIs are, how they work, and how to use them for network connectivity and failover on EC2 instances. Find out the benefits and drawbacks of ENIs compared to other AWS services.
- Anthony Heddings
Dec 21, 2011 · Learn how to create and use ENIs, or Elastic Network Interfaces, to enhance the flexibility and security of EC2 instances in the Virtual Private Cloud. ENIs are independent of instances and can be attached to different subnets and security groups.
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Learn what an ENI is and when to use it in AWS. An ENI is a virtual network interface that can be attached to different subnets or EC2 instances for more flexibility and high availability.
You can launch an EC2 instance in one VPC and attach a secondary ENI from another VPC (but in the same Availability Zone) to the instance. This enables you to create multi-homed instances across VPCs with different networking and security configurations.
Feb 7, 2024 · Learn how to choose the right networking interface for your AWS applications based on latency, performance, and cost. Compare EFA, ENA, and ENI features, use cases, and decision factors.
Amazon ECS supports launching container instances with increased ENI density using supported Amazon EC2 instance types. When you use these instance types and enable the awsvpcTrunking account setting, additional ENIs are available on newly launched container instances.
